minix/lib/libsys/arch/i386/sys_out.c

   1 #include "syslib.h"
   2
   3 /*===========================================================================*
   4  *                                sys_out                                    *
   5  *===========================================================================*/
   6 int sys_out(port, value, type)
   7 int port;                               /* port address to write to */
   8 u32_t value;                            /* value to write */
   9 int type;                               /* byte, word, long */
  10 {
  11     message m_io;
  12
  13     m_io.m_lsys_krn_sys_devio.request = _DIO_OUTPUT | type;
  14     m_io.m_lsys_krn_sys_devio.port = port;
  15     m_io.m_lsys_krn_sys_devio.value = value;
  16
  17     return _kernel_call(SYS_DEVIO, &m_io);
  18 }
  19